618385647

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 995328000

約数和(自身を除く): 376942353

約数列:

[1, 3, 11, 19, 29, 33, 57, 71, 87, 209, 213, 319, 479, 551, 627, 781, 957, 1349, 1437, 1653, 2059, 2343, 4047, 5269, 6061, 6177, 9101, 13891, 14839, 15807, 18183, 22649, 27303, 34009, 39121, 41673, 44517, 67947, 100111, 102027, 117363, 152801, 263929, 300333, 374099, 430331, 458403, 646171, 791787, 986261, 1122297, 1290993, 1938513, 2903219, 2958783, 7107881, 8709657, 10848871, 18738959, 21323643, 32546613, 56216877, 206128549, 618385647]

約数ペア:

[(1, 618385647), (3, 206128549), (11, 56216877), (19, 32546613), (29, 21323643), (33, 18738959), (57, 10848871), (71, 8709657), (87, 7107881), (209, 2958783), (213, 2903219), (319, 1938513), (479, 1290993), (551, 1122297), (627, 986261), (781, 791787), (957, 646171), (1349, 458403), (1437, 430331), (1653, 374099), (2059, 300333), (2343, 263929), (4047, 152801), (5269, 117363), (6061, 102027), (6177, 100111), (9101, 67947), (13891, 44517), (14839, 41673), (15807, 39121), (18183, 34009), (22649, 27303)]